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Difficulty: MediumQuality Improvement Models and Methodologies

A 28-year-old primigravida at 39 weeks gestation is admitted to the labor and delivery unit in active labor. She requests epidural analgesia. During preparation, a nurse nearly connects the epidural bupivacaine infusion into the patient's peripheral intravenous line due to similar-appearing tubing ports. The error is recognized and intercepted just before administration. In response to this near miss, the department director convenes a multidisciplinary quality and safety team. Rather than solely investigating this specific event, the team is tasked with mapping out the entire process of neuraxial medication administration on the unit. They brainstorm all potential ways the tubing, labeling, and administration steps could fail. The team then assigns numerical scores to each potential failure based on its severity, likelihood of occurrence, and probability of going undetected. The combined scores are used to prioritize the rollout of new, physically incompatible tubing connectors. Which of the following quality improvement methodologies is the team employing?

  1. Failure mode and effects analysisAnswer
  2. B
    Root cause analysis
  3. C
    Plan-Do-Study-Act cycle
  4. D
    Lean methodology
  5. E
    Pareto analysis

Answer

Failure mode and effects analysis
The correct answer is Failure mode and effects analysis (FMEA). FMEA is a proactive, prospective quality improvement tool designed to identify potential system failures before they cause patient harm. A hallmark of FMEA is the multidisciplinary mapping of a process and the calculation of a Risk Priority Number (RPN) for every identified potential failure. The RPN is calculated by multiplying three numerical scores: the Severity of the failure, the likelihood of its Occurrence, and the likelihood that it will go Undetected. High RPNs direct where to implement strong systemic safeguards, such as forced-function physical barriers (e.g., incompatible tubing).

Step-by-Step Solution

1
Identify the trigger event and the subsequent administrative response described in the vignette.
A near miss occurred (epidural medication nearly given IV). The administration responded by convening a team to map the entire medication administration process.
Understanding the context sets up the distinction between investigating the specific event vs. evaluating the entire system.
2
Analyze the specific actions performed by the multidisciplinary team.
The team brainstorms potential failures and assigns numerical scores based on severity, likelihood, and detection probability.
These specific actions are defining characteristics of distinct quality improvement tools.
3
Match the team's actions to the correct quality improvement methodology.
Assigning scores for severity, occurrence, and detection to calculate a risk priority number is the exact definition of a Failure Mode and Effects Analysis (FMEA).
Although the process was triggered by a near miss, the methodology chosen by the team is prospective and systematic, identifying it as FMEA.

Key Concept

Failure Mode and Effects Analysis (FMEA) is a prospective, systematic quality improvement methodology used to identify, score, and prioritize potential system vulnerabilities (using a Risk Priority Number based on severity, occurrence, and detection) before they reach the patient.
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Topics

Quality Improvement Models and Methodologies

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